[dpdk-dev] [PATCH 27/28] net/vmxnet3: use eal I/O device memory read/write API
Jerin Jacob
jerin.jacob at caviumnetworks.com
Wed Dec 14 02:55:57 CET 2016
From: Santosh Shukla <santosh.shukla at caviumnetworks.com>
Replace the raw I/O device memory read/write access with eal
abstraction for I/O device memory read/write access to fix
portability issues across different architectures.
Signed-off-by: Santosh Shukla <santosh.shukla at caviumnetworks.com>
Signed-off-by: Jerin Jacob <jerin.jacob at caviumnetworks.com>
CC: Yong Wang <yongwang at vmware.com>
---
drivers/net/vmxnet3/vmxnet3_ethdev.h | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/drivers/net/vmxnet3/vmxnet3_ethdev.h b/drivers/net/vmxnet3/vmxnet3_ethdev.h
index 7d3b11e..5b6501b 100644
--- a/drivers/net/vmxnet3/vmxnet3_ethdev.h
+++ b/drivers/net/vmxnet3/vmxnet3_ethdev.h
@@ -34,6 +34,8 @@
#ifndef _VMXNET3_ETHDEV_H_
#define _VMXNET3_ETHDEV_H_
+#include <rte_io.h>
+
#define VMXNET3_MAX_MAC_ADDRS 1
/* UPT feature to negotiate */
@@ -120,7 +122,11 @@ struct vmxnet3_hw {
/* Config space read/writes */
-#define VMXNET3_PCI_REG(reg) (*((volatile uint32_t *)(reg)))
+#define VMXNET3_PCI_REG(reg) ({ \
+ uint32_t __val; \
+ __val = rte_readl(reg); \
+ __val; \
+})
static inline uint32_t
vmxnet3_read_addr(volatile void *addr)
@@ -128,9 +134,9 @@ vmxnet3_read_addr(volatile void *addr)
return VMXNET3_PCI_REG(addr);
}
-#define VMXNET3_PCI_REG_WRITE(reg, value) do { \
- VMXNET3_PCI_REG((reg)) = (value); \
-} while(0)
+#define VMXNET3_PCI_REG_WRITE(reg, value) ({ \
+ rte_writel(value, reg); \
+})
#define VMXNET3_PCI_BAR0_REG_ADDR(hw, reg) \
((volatile uint32_t *)((char *)(hw)->hw_addr0 + (reg)))
--
2.5.5
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